Callaway Rogue ST Max Hybrid The new Rogue ST family represents the next step in our quest to continue to push the boundaries of innovation. Our Research & Development and Engineering teams have re-invented, refined and improved every element of each club while developing the ST family. The Rogue ST Max is our longest Rogue ST hybrid model. They are bulit with slightly stronger lofts and will fit an extensive range of golfers who are looking for speed, forgiveness and all round hybrid performance. All New Jailbreak ST New AI Jailbreak design is speed tuned to create more stability by pushing the structure to the perimeter. This allows the face cup to flex more, creating incredible ball speed. High Strength 455 Face Cup Specially treated high strength steel for more ball speed and ball speed consistency. Speed Tuned AI Face Optimisation New AI optimisation formula now includes spin, launch and speed. It's unique for each model and each loft. Speed Tuned Tungsten Allows for precise CG location which delivers optimal launch with more ball speed. Refined Soles Promotes better turf interation and versatility.